Windmill



(N0 Model G. GARSIDE.

WINDMILL.

Patefited Oct 24, 1882.

IIIIIIIIIIIIIIIIIIJIII K m W m I UNTTEE STATES PATENT EEtcE.

GEORGE GAESIDE, OF KALAMAZOO, MICHIGAN.

WlNDlVllLL.

SPECIFICATION forming part of Letters Patent No. 266,281, dated October24, 1882. Application filed August 19,1882. (No model.)

To all whom it may concern: of gear, and forms stop for the vane andwheel Be it known that I, GEORGE GARSIDE, a when in that position.subject of Canada, residing at Kalamazoo, in The dotted lines in Fig. 2give the position the county of Kalamazoo and State of Michiof the vanewhen partially pulled out of the gan, have invented anew and usefulVindaction of the wind by the operating-chain c, mill, of which thefollowing is a specification. passing down through mill-head R andreach- My invention relates to windmills having a ing to the ground inthe usual manner, as in hinged vane swinging radially and risingverother windmills; or the same position of the tically on itshingiug-pin. vane E in dotted lines, Fig. 2, will be shown [0 Theimprovements simplifying the construcwhen the action of the windcausesthe milltion and operation of the vane I attain by the head R toturn on the derrick'cap D. mechanism illustrated in the accompanyingFigs. 1 and 2 show the position of vane E drawings, in which-- when thewindmill is in its normal position to Figure 1 is a side view ofmill-head with receive the wind on the face of the wheel, as

[ hinge and portion of vane. Fig. 2 is a top usual in windmills of thisclass. view of same. Fig. 3 is a portion of rear View, The mechanism asemployed for operating with vane-hinge in position shown in dotted thevane E in this mill needs no covering, as lines in Fig. 2. there are noparts liable to become clogged Similar letters refer to similar partsthroughwith ice or snow. As will also be seen, there 20 out the severalviews. are few points producing friction, in conse- The derrick-cap 1)supports the mill head quence of the manner of hanging and balancor bodyR, having an extended arm or bracking the vane, and fewer parts to wear,comet, F, cast integrallywith said mill-head, upon paratively, as whenfriction-rollers and other which is secured by bolts an arm, 1), risingdevices are used to raise the vane. Support- 25 and extending overbracket F,withahinginging-rods may also be used instead of the pin,P,passing through central eye in bracket chains 0 c.

To enable the millto govern itself when the F and arm D, securelybracing them together.

wind increases to such velocity as it may be desired that the mill shallturn out of the line Upon the hinging-pin Pisa loose-fitting hinge, 15,having recesses or pockets to receive vane- 0 stem S and weight-arm (4,upon which is seof action, then the mill-head R,turning on the So cureda weight, '0, said weight being of sut'fiderrick-cap D, brings the edgeof the wheel to the wind, thereby producing a twisting action on thechains 0 c, and at the same time raising cient gravity to counterbalancethe entire weight of vane E from the center of the hinge 13. Upon thearm 1) are two projecting eyes, the combined weight of the vane E andweight 1;, as shown in Fig. 3. When the wind subsides again the weightof the balanced vane will 3 5 f f, through which pass two eyebolts, man, to

cause the wind-wheel to face the wind in its normal position forworking, as shown in Figs.

which are secured two chains, 0 0, which are also secured at the lowerend to bolts t t, passing through holes in flanges a" r on either sideof hinge B, on upper side of pockets, in which 1 and 2.

o adjust the mill to turn out of the wind at a less wind-pressure, thechains 0 c, secured at the lower end to bolts tt, maybe changedinto 4.0are secured vane-stem S and weight-arm a.

holes in flanges r r, nearer to the center of the A is the journal-boxcap, covering and hold;

hinge 13, thereby producing less resistance in ing the crank-shaft inits bearings. Upon the the twisting action of the chains 0 0, or the op-5 shaft is fastened the wheel-hub or spider a. The arm a, Fig. 2, isprovided with a sheaveposite to produce a greater resistance, thesevwheel at its outer extremity, for the operatingchain e to pass over,then fastened to arm 6' on vane-hinge casting B.

2', Fig. 2, is the bumper-arm, also secured to vane-hinge casting B.This arm 2 comes so in contact with bumper 2 when the mill is out eralholes in flanges r 7' giving various points of adjustment. As the chains0 c in their twisting action come nearer toahorizontal position, asshown in Fig. 3, the resistance becomes greateras thehingeB rises,thereby pro-- ducing a twisting and increasing resistance on ducingthcvarying resistance so desirableand its suspemling-chains, as describedand set; necessary in windmills. forth.

Having thus described inyinventiomwhat I 3. A windmill having a hingedbalanced r5 5 claim is vane suspended by chains, for the purpose 1. A.windmill having a hinged vane susspecified and set forth. pended andbalanced with various points to w 1 adjust suspending device to increaseor de- GDOLGD (IAL'SIDP' crease the pressure at which the mill shallWitnesses:

[0 turn out of the Wind, as specified and shown. L. W. SLAUGHTER,

2. A windmill having a hinged vane pro- 1 JOHN (J. PERKINS.

